54 relations: Aircraft, Airliner, Airway (aviation), Amplitude modulation, Andrew Alford, Area navigation, ARINC, Azimuth, Bearing (navigation), Chicago Convention on International Civil Aviation, Course deviation indicator, Detector (radio), Direction finding, Distance measuring equipment, European Organisation for Civil Aviation Equipment, Frequency modulation, Galileo (satellite navigation), Global Positioning System, Gravitational redshift, Hazardous Inflight Weather Advisory Service, Head-up display, Hertz, Horizontal situation indicator, Instrument flight rules, Instrument landing system, Instrument landing system localizer, International Civil Aviation Organization, Jackson County, Oregon, Local-area augmentation system, Low-frequency radio range, Modulated continuous wave, Morse code, Nautical mile, Non-directional beacon, Oregon, Phase (waves), Position fixing, Position line, Radio, Radio navigation, Rocky Mountains, Satellite navigation, Solid-state electronics, Subcarrier, Tactical air navigation system, Transmitter, Transponder landing system, United States, Vacuum tube, Very high frequency, ..., Victor airways, Visual Aural Radio Range, VORTAC, Wide Area Augmentation System. Expand index (4 more) » « Shrink index
An aircraft is a machine that is able to fly by gaining support from the air.
An airliner is a type of aircraft for transporting passengers and air cargo.
An airway or air route is a defined corridor that connects one specified location to another at a specified altitude, along which an aircraft that meets the requirements of the airway may be flown.
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.
Andrew Alford (5 August 1904 – 25 January 1992) was an American electrical engineer and inventor.
Area navigation (RNAV, usually pronounced as ar-neiv) is a method of instrument flight rules (IFR) navigation that allows an aircraft to choose any course within a network of navigation beacons, rather than navigate directly to and from the beacons.
Aeronautical Radio, Incorporated (ARINC), established in 1929, is a major provider of transport communications and systems engineering solutions for eight industries: aviation, airports, defense, government, healthcare, networks, security, and transportation.
An azimuth (from the pl. form of the Arabic noun "السَّمْت" as-samt, meaning "the direction") is an angular measurement in a spherical coordinate system.
In navigation bearing may refer, depending on the context, to any of: (A) the direction or course of motion itself; (B) the direction of a distant object relative to the current course (or the "change" in course that would be needed to get to that distant object); or (C), the angle away from North of a distant point as observed at the current point.
The Convention on International Civil Aviation, also known as the Chicago Convention, established the International Civil Aviation Organization (ICAO), a specialized agency of the UN charged with coordinating and regulating international air travel.
A course deviation indicator (CDI) is an avionics instrument used in aircraft navigation to determine an aircraft's lateral position in relation to a course.
In radio, a detector is a device or circuit that extracts information from a modulated radio frequency current or voltage.
Direction finding (DF), or radio direction finding (RDF), is the measurement of the direction from which a received signal was transmitted.
Distance measuring equipment (DME) is a transponder-based radio navigation technology that measures slant range distance by timing the propagation delay of VHF or UHF radio signals.
EUROCAE, the European Organisation for Civil Aviation Equipment (French: Organisation Européenne pour l’Equipement de l’Aviation Civile) was formed in Lucerne on 24 April 1963.
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
Galileo is the global navigation satellite system (GNSS) that is being created by the European Union (EU) through the European Space Agency (ESA), headquartered in Prague in the Czech Republic, with two ground operations centres, Oberpfaffenhofen near Munich in Germany and Fucino in Italy.
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
In astrophysics, gravitational redshift or Einstein shift is the process by which electromagnetic radiation originating from a source that is in a gravitational field is reduced in frequency, or redshifted, when observed in a region at a higher gravitational potential.
Hazardous Inflight Weather Advisory Service (HIWAS) is a continuous broadcast of hazardous weather information which is transmitted over selected VORs.
A head-up display or heads-up display, also known as a HUD, is any transparent display that presents data without requiring users to look away from their usual viewpoints.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
The horizontal situation indicator (commonly called the HSI) is an aircraft flight instrument normally mounted below the artificial horizon in place of a conventional heading indicator.
Instrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR).
An instrument landing system (ILS) enables pilots to conduct an instrument approach to landing if they are unable to establish visual contact with the runway.
Instrument landing system localizer (short: localizer) is a system of horizontal guidance in the instrument landing system, which is used to guide aircraft along the axis of the runway.
The International Civil Aviation Organization (ICAO Organisation de l'aviation civile internationale, OACI), is a specialized agency of the United Nations.
Jackson County is a county in the U.S. state of Oregon.
The local-area augmentation system (LAAS) is an all-weather aircraft landing system based on real-time differential correction of the GPS signal.
The low-frequency radio range (LFR), also known as the four-course radio range, LF/MF four-course radio range, A-N radio range, Adcock radio range, or commonly "the range", was the main navigation system used by aircraft for instrument flying in the 1930s and 1940s, until the advent of the VHF omnidirectional range (VOR), beginning in the late 1940s.
Modulated continuous wave is defined by the Federal Communications Commission in 47 CFR §97.3(c)(4) as "Tone-modulated international Morse code telegraphy emissions having designators with A, C, D, F, G, H or R as the first symbol; 2 as the second symbol; A or B as the third symbol." See Types of radio emissions for a general explanation of these symbols.
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
A nautical mile is a unit of measurement defined as exactly.
A non-directional (radio) beacon (NDB) is a radio transmitter at a known location, used as an aviation or marine navigational aid.
Oregon is a state in the Pacific Northwest region on the West Coast of the United States.
Phase is the position of a point in time (an instant) on a waveform cycle.
Position fixing is the branch of navigation concerned with the use of a variety of visual and electronic methods to determine the position of a vehicle or person on the surface of the Earth.
A position line is a line that can be identified both on a nautical chart or aeronautical chart and by observation out on the surface of the earth.
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
Radio navigation or radionavigation is the application of radio frequencies to determine a position of an object on the Earth.
The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America.
A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning.
Solid-state electronics means semiconductor electronics; electronic equipment using semiconductor devices such as semiconductor diodes, transistors, and integrated circuits (ICs).
A subcarrier is a sideband of a radio frequency carrier wave, which is modulated to send additional information.
A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system used by military aircraft.
In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.
A transponder landing system (TLS) is an all-weather, precision landing system that uses existing airborne transponder and instrument landing system (ILS) equipment to create a precision approach at a location where an ILS would normally not be available.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.
Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten to one meter.
In the United States and Canada, Victor airways are low-altitude airways.
The Visual Aural Radio Range (VAR) was a short range radio navigation aid, used from about 1940 until 1960, that provided four-course visual and aural track guidance signals at a range of about 100 miles.
A VORTAC is a navigational aid for aircraft pilots consisting of a co-located VHF omnidirectional range (VOR) beacon and a tactical air navigation system (TACAN) beacon.
The Wide Area Augmentation System (WAAS) is an air navigation aid developed by the Federal Aviation Administration to augment the Global Positioning System (GPS), with the goal of improving its accuracy, integrity, and availability.
DVOR, Doppler VOR, OBS aircraft, Omni-directional range, VHF Omni Range, VHF Omni-directional Radio Range, VHF Omnidirectional Range, VHF Omnirange, VHF Onmi Range, VHF omnidirectional radio range, Very high frequency omnidirectional range, Vor-tac.